يعرض 881 - 900 نتائج من 1,148 نتيجة بحث عن '(( 50 ((nn decrease) OR (a decrease)) ) OR ((( 0 1 decrease ) OR ( a system decrease ))))*', وقت الاستعلام: 0.19s تنقيح النتائج
  1. 881

    Numerical analysis of spatial distribution of carbon in methane dry reforming over supported nickel catalyst in a packed bed reactor حسب Ebrahimi, Parisa

    منشور في 2024
    "…Furthermore, the hydrogen to carbon monoxide (H₂/CO) molar ratio peaked at over 1.1 at 650 °C, dropped to approximately 0.76 at 750 °C, and then rose back to 0.97 at 950 °C. …"
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    article
  2. 882
  3. 883

    Study of the Hydration of Blast-Furnace Slag Cement and Portland Cement by Mossbauer Spectroscopy حسب Eissa, N. A. [نبيل عيسى]

    منشور في 1982
    "…It was found that, as the time of hydration was increased, the Fe3 (0) content decreased, while the Fe3 (T) content increased. …"
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  4. 884
  5. 885

    Facile Electrochemical Synthesis of Highly Efficient Copper-Cobalt Oxide Nanostructures for Oxygen Evolution Reactions حسب Nath, Narayan Chandra Deb

    منشور في 2020
    "…An optimized nanopetal structure of CuxCo3-xO4 (x = 0.95, annealed at 200 °C) shows a considerably high Faradaic efficiency (∼93%) with a remarkably low overpotential (∼230 mV) at a benchmark current density (J) of 10 mA cm-2; at the same J in an alkaline solution (1 M KOH) for OER, it also exhibits high durability (up to 100 h). …"
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  6. 886
  7. 887

    Mental distress and its associations with behavioral outcomes during the COVID-19 pandemic: a national survey of Chinese adults حسب L., Ma

    منشور في 2021
    "…ResultsAfter adjusting for covariates, greater mental distress was associated with increased smoking (odds ratio [OR] = 1.42, 95% confidence interval [CI]: 1.20–1.68 and OR = 1.54, 95% CI: 1.31–1.82 per one standard deviation [SD] increase in mental distress) and alcohol consumption (OR = 1.67, 95% CI: 1.45–1.92 and OR = 1.47, 95% CI: 1.24–1.75 per one SD increase in mental distress) among current smokers and drinkers and with both increased and decreased physical activity (ORs ranged from 1.32 to 1.56). …"
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  8. 888

    Utilizing Recycled Polypropylene Fibers as Reinforcement for Concrete Beams حسب Bendjillali, Khadra

    منشور في 2020
    "…The fiber's diameter varies between 0.7 and 0.9mm. The various fiber content ratios tested in this investigation are 0.25, 0.5 and 1%. …"
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  9. 889

    Progressive circuit resistance training improves inflammatory biomarkers and insulin resistance in obese men حسب Kolahdouzi, Sarkawt

    منشور في 2019
    "…Moreover, insulin resistance was positively correlated with apelin (r = 0.56) and chemerin (r = 0.51). Also, chemerin had a positive correlation with SAA (r = 0.49), and WHR (r = 0.54). …"
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  10. 890
  11. 891

    Influence of natural gas composition on adsorption in calcite Nanopores: A DFT study حسب Elbashier E.

    منشور في 2021
    "…The nanopores absorbed up to 28 and 24 molecules of CH4 and CO2, respectively, and the adsorption energy decreased to −0.0062 and −0.0075 eV/Å2 for each. Although the nanopore was filled spatially by the molecules, its surface still has an affinity to absorb more gas molecules energetically. …"
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  12. 892

    Bio-Inspired Fabrication of Ultrafiltration Membranes incorporating Polydopamine Functionalized Graphene Oxide Nanoparticles حسب Alkhouzaam, Abedalkader Ibraheem

    منشور في 2021
    "…The highest pure water permeability (PWP) was obtained with PSF/rGO-PDA-0.1 to be approximately twice that of the pristine PSF and PSF/GO-0.1. …"
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  13. 893
  14. 894

    Association of Macronutrients Intake with Body Composition and Sarcopenic Obesity in Children and Adolescents: A Population-Based Analysis of the National Health and Nutrition Exam... حسب Yang, Bing

    منشور في 2023
    "…Substituting carbohydrate (5 %E) with fat decreased muscle mass by 0.03 (95% CI 0.01 to 0.06) but increased fat mass by 0.03 (95% CI 0.01 to 0.06) and increased the prevalence of sarcopenic obesity by 254% (95% CI 15% to 487%). …"
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  15. 895

    Global, regional, and national burden of HIV/AIDS, 1990–2021, and forecasts to 2050, for 204 countries and territories: the Global Burden of Disease Study 2021 حسب Austin, Carter

    منشور في 2024
    "…In the same period, PUV increased in central Europe, eastern Europe, and central Asia by 116·1% (8·0–218·2). Our forecasts predict a continued global decline in HIV incidence and mortality, with the number of people living with HIV peaking at 44·4 million (40·7–49·8) by 2039, followed by a gradual decrease. …"
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    article
  16. 896
  17. 897

    Galvanic exchange as a novel method for carbon nitride supported coag catalyst synthesis for oxygen reduction and carbon dioxide conversion حسب Nazir, Roshan

    منشور في 2019
    "…Both the catalysts, Co/CN and CoAg/CN, were evaluated for oxygen reduction reaction in 1M KOH solution and carbon dioxide conversion in 0.5 M KHCO3. …"
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  18. 898

    Corrosion behavior of API-X120 carbon steel alloy in a GTL F-T process water environment at low COD concentration حسب Ewis, Dina

    منشور في 2020
    "…Electrochemical impedance spectroscopy and potentiodynamic polarization techniques were used to determine the carbon steel corrosion rate under temperatures ranging from 293 to 323 K and rotation speed of 0, 500, 1000, 2000 rpm when the immersion time was 0.5, 1, and 2 h. …"
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  19. 899

    Internal Pressure Capacity and Bending Behavior of Glass Fiber Reinforced Composite Overwrapping PVC Plastic Pipes. حسب Al-Mahfooz, Mohammed

    منشور في 2020
    "…Therefore, this study proposes a glass fiber-reinforced polymer (GFRP) overwrapped system to strengthen the external surface of PVC pipes, which will improve pipes pressure and flexural capacities. …"
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  20. 900

    Occurrence, origin and potential ecological risk of dissolved polycyclic aromatic hydrocarbons and organochlorines in surface waters of the Gulf of Gabès (Tunisia, Southern Mediter... حسب Hatem, Zaghden

    منشور في 2022
    "…The results demonstrated a wide range of concentrations (ng L−1) with the following decreasing order: Ʃ16 PAHs (17.6–71.2) > Ʃ20 PCBs (2.9–33.7) > Ʃ6 DDTs (1.1–12.1) > Ʃ4 HCHs (1.1–14.8). …"
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